Bullet: 171 gr
Match Burner
(Barnes)
Diameter: 0.284"
Powder: 4000-MR (Alliant Powder)
Starting Powder: 50.1 gr
Max Powder: 55.6 gr
Primer: FED 210
Case: NOS
Trim Length: 2.525"
Cartridge Overall Length: 3.330"
Starting Velocity: 2,567
Starting Pressure:
Max Velocity: 2,871
Max Pressure:
Barrel: 24" with 1:9" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/280-Ackley-Improved.pdf
Printed from Shooter's Reference on 11/21/2024: